228087 has 6 divisors (see below), whose sum is σ = 329472. Its totient is φ = 152052.

The previous prime is 228077. The next prime is 228097. The reversal of 228087 is 780822.

It is an interprime number because it is at equal distance from previous prime (228077) and next prime (228097).

It is not a de Polignac number, because 228087 - 2⁶ = 228023 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 228087.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228087.

It is not an unprimeable number, because it can be changed into a prime (228077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12663 + ... + 12680.

It is an arithmetic number, because the mean of its divisors is an integer number (54912).

2²²⁸⁰⁸⁷ is an apocalyptic number.

228087 is a deficient number, since it is larger than the sum of its proper divisors (101385).

228087 is a wasteful number, since it uses less digits than its factorization.

228087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349 (or 25346 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 228087 is about 477.5845474887. The cubic root of 228087 is about 61.0989168200.

The spelling of 228087 in words is "two hundred twenty-eight thousand, eighty-seven".